Home / 11,714.41-17,569.65-5,138.83

Finding the Fourth Proportional to 11,714.41, 17,569.65 and 5,138.83

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Solution

The fourth proportional to 11,714.41, 17,569.65 and 5,138.83 is: 7,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.41 : 17,569.65 = 5,138.83 : x
  2. Step 2: Convert to fraction form
    11,714.41/17,569.65 = 5,138.83/x
  3. Step 3: Cross multiply
    11,714.41x = 17,569.65 × 5,138.83
  4. Step 4: Simplify right side
    11,714.41x = 90,287,356.66
  5. Step 5: Solve for x
    x = 90,287,356.66/11,714.41
  6. Step 6: Final answer
    x = 7,707.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.